Chapter 19, Problem 19.105EP

Indicate whether each of the following statements about a lipid bilayer is true or false.

1. a. The outside surface positions in a lipid bilayer are occupied by hydrophobic entities.
2. b. The interaction between the fluid inside a cell and the surface of a lipid bilayer is primarily an interaction between polar entities.
3. c. The outside surface positions in a lipid bilayer are occupied by the nonpolar tails of phospholipids and glycolipids.
4. d. The interactions between adjacent lipids in a lipid bilayer usually involve covalent bonding.